Home / 100,273.96-138,376.38-59,964.81

Finding the Fourth Proportional to 100,273.96, 138,376.38 and 59,964.81

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Solution

The fourth proportional to 100,273.96, 138,376.38 and 59,964.81 is: 82,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,273.96 : 138,376.38 = 59,964.81 : x
  2. Step 2: Convert to fraction form
    100,273.96/138,376.38 = 59,964.81/x
  3. Step 3: Cross multiply
    100,273.96x = 138,376.38 × 59,964.81
  4. Step 4: Simplify right side
    100,273.96x = 8,297,713,335.19
  5. Step 5: Solve for x
    x = 8,297,713,335.19/100,273.96
  6. Step 6: Final answer
    x = 82,750.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.